Devices for converting a downlink subframe
An evolved Node B (eNB) configured for converting a downlink subframe is disclosed. The eNB includes a processor and executable instructions stored in memory that is in electronic communication with the processor. The eNB determines whether to convert a target downlink subframe to a special subframe type 2. The eNB also transmits physical (PHY) layer signaling indicating a subframe conversion for the target downlink subframe if it is determined to convert the target downlink subframe to the special subframe type 2.
1. An evolved Node B (eNB) configured for converting a downlink subframe, comprising:
a processor;
memory in electronic communication with the processor;
instructions stored in the memory and executed by the processor, the instructions being executable to cause the processor to:
transmit physical (PHY) layer signaling to convert the downlink subframe to a special subframe type 2, wherein the special subframe type 2 comprises at least an uplink pilot time slot (UpPTS).
2. The eNB of claim 1 , wherein the special subframe type 2 further comprises a downlink pilot time slot (DwPTS).
3. The eNB of claim 1 , wherein the instructions are further executable to:
determine whether the downlink subframe immediately follows an uplink subframe; and
determine the subframe structure of the special subframe type.
4. The eNB of claim 1 , wherein the instructions are further executable to transmit Acknowledgement and Negative Acknowledgement (ACK/NACK) data in a subframe that is a number of subframes after the target downlink subframe.
5. A User Equipment (UE) configured for receiving a signal, comprising:
a processor;
memory in electronic communication with the processor;
instructions stored in the memory and executed by the processor, the instructions being executable to cause the processor to:
convert a target downlink subframe to a special subframe type 2, wherein the special subframe type 2 comprises a downlink pilot time slot (DwPTS).
6. A User Equipment (UE) configured for receiving a signal, comprising:
a processor;
memory in electronic communication with the processor;
instructions stored in the memory and executed by the processor, the instructions being executable to cause the processor to:
convert a target downlink subframe to a special subframe type 2;
determine whether the target downlink subframe immediately follows an uplink subframe; and
determine the subframe structure of the special subframe type 2.
7. A method for converting a downlink subframe, comprising:
determining whether to convert a target downlink subframe to a special subframe type 2, wherein the special subframe type 2 comprises at least an uplink pilot time slot (UpPTS); and
transmitting physical (PHY) layer signaling to convert the downlink subframe to a special subframe type 2 where the special subframe type 2 further comprises a downlink pilot time slot (DwPTS).
8. The method of claim 7 , wherein the special subframe type 2 further comprises a downlink pilot time slot (DwPTS).
9. The method of claim 7 , wherein the method further comprises:
determining the subframe structure of the special subframe type 2 based on whether the target downlink subframe immediately follows an uplink subframe.
10. The method of claim 7 , wherein the method further comprises transmitting Acknowledgement and Negative Acknowledgement (ACK/NACK) data in a subframe that is a number of subframes after the target downlink subframe.
11. A method for receiving a signal, comprising:
receiving physical (PHY) layer signaling to convert a downlink subframe to a special subframe type 2, wherein the special subframe type 2 comprises at least an uplink pilot time slot (UpPTS); and
converting a target downlink subframe to the special subframe type 2.
12. The method of claim 11 , wherein the special subframe type 2 further comprises a downlink pilot time slot (DwPTS).
13. The method of claim 11 , wherein if an uplink-downlink association does not exist for the target downlink subframe, the method further comprises:
determining whether the target downlink subframe immediately follows an uplink subframe; and
determining the subframe structure of the special subframe type.
14. The method of claim 11 , wherein the method further comprises receiving Acknowledgement and Negative Acknowledgement (ACK/NACK) data in a subframe that is a number of subframes after the target downlink subframe.